From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Pencil sketch of a circular mechanical component highlighting a fouling issue.
| Identifier | ExFiles\Box 82\3\ scan0175 | |
| Date | 8th April 1935 guessed | |
| corners of nut fouling | ||